Thrash img-machine



BSheets-Sheet 1.

D. GEISER. Thrashing Machine.

Patented Nov. 23 1880 Ewen/Z02".

JWLCCL @QCGOTZ M. r. 71/ 7W N.PETE R5, FHOW-LITHUGRAPHER, WASHINGTON. 0CV '6Sheets--Sheet 2. D. GEISER.

Thrashing Machine.

No. 234,708. Patented Nov. 23,1880

;z2 *zm NJETERS, PHOTO-LIYHOGRAHER. WASHINGTON, D C.

6 Sheets-Sheet 3.

D. GEISBR.

. Thrashing Ma0hine.

No. 234,708. Patented Nov. 23,1880.

@Sheets-Sheehi. D. G'EISERQ v .Thrashing Machine. No. 234,708. PatentedNov. 23, I880.

N PETERS, PHOTu-LIIHOGRAPHER, WASHINGTON. D

6 sheets-sheet 5.

D. GBISER. Thrashing Machine.

Patented Nov. 23, 1880.,

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iff /W NJETERS. PHUTO-LATHOGRAPMER. WASHINGFM, D cv 6 Sheets-Sheet 6. D.GEISER.

I Thrashing Machine. No. 234,708. Patented Nov. 23, @880.

N.PETERS, PMOTO-LIYROGRAPHER. WASHINGION D C.

UNTTEE STATES PATENT DlEErcEO DANIEL GEISER, OF WAYNESBOROUGH,PENNSYLVANIA.

THRASHENG=MACHINE.

SPECIFICATION forming part of Letters Patent No. 234,708, dated November23, 1880.

Application filed August 14, 1879.

To all whom it may concern Be it known that I, DANIEL Gnrsnn, ofWaynesborough, in the county ofFranklin and State of Pennsylvania, haveinvented certain new and useful Improvements in Thrashing- Machines; andI do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to letters of reference markedthereon, which form a part of this specification.

Figure l is a side view of my improved thrashing machine with sheaftables and stacker attached and closed for transportation. Fig. 2 is afront elevation of the. same. Fig. 3 is a front elevation withsheaftables and stacker open for operation. Fig. at is a view ofaportion of one side, showing stacker attached and open. Fig. 5 is a viewshowing a portion of one side, with gear for operating the fan, rakes,and separatorshocs. Fig.6 is a view of the opposite side, and shows thepulleys for operating the riddles. Fig. 7 is a vertical longitudinalsection through the center of the machine. Fig. 8 is a top-plan view,with cover and stacker removed to show the interior of the machine. Fig.9 is a perspective view of the lower separatorshoe with riddlesattached, and shows the right and left hand screw for collecting andpassing the tailings to the elevator. Fl 10 is a bottom-plan view of thesame. Fig. 11 is a top-plan view of the con veyer and reciprocating rakefor conveying the tailings to the elevator. Fig. 12 is a perspectiveview of one of the upper reciprocatin g rakes with an gle-block andguide-arm attached.

The object of my invention is to provide a thrashing-machine wherein thegrain is more quickly, easily, and thoroughly separated from the strawand discharged from the machinein a purer and cleaner condition thanfrom any machine heretoforeiu use.

A represents a cylinder thrashing-machine, supplied at its rear end witha stacker, and at its front end with two sheaf-tables, B B, hinged at bI) to the inclined feeding-chute B. The tables B are made removable,being hinged to the chute in the following manner: The forward hinge, 0,consists of a hooked plate, 11 which engages with a staple, If, on theside of the chute B, while the rear hinge consists of a plate, b havinga soeket at its outer end, which socket slips upon a pin, 0 on the frontof the machine.

When in operation the tables B B are raised and held in a horizontalposition by props which rest upon the frame of the machine, asshown inFig. 3. When the tables are so raised two removable shields, G O, areplaced in a vertical position on the cover of the machine, at the rearof tables 13, and are held in position by staples or eyelets on theshields, which staples slip on two small standards, c c, affixed forthat purpose to the cover 0 of the machine. The sheaf-tables, inconjunction with the shields, hold the gavels of grain, and therebyfacilitate the operation of feeding the thrashing-machine.

hen the machine is notiu use, or is being transported from place toplace, the tables B are folded down against the side of the chute. Whenso lowered the platform D, being pivoted at (Z, is swung upward and heldbetween the tables B B by a rod, D, which passes through the tables infront of or below the platform, which rod has terminal screws and nuts,whereby the tables and platform are firmly secured together, therebyformiu g a substantial shield and shelter for the elevator. When thesheaftables are so secured the shields G are removed from the standards0 and are laid upon the top of the chute B, between the tables 13 B, asshown in Fig. l.

The cover C of the machine is made in sections, as shown, for thepurpose of giving access to the interior of the machine.

E represents the cylinder, having the usual teeth 0. E is thethrashing-concave, also supplied with the usual teeth 0. The shaft 6 ofthe cylinder has its bear-in gs at c 6 and carries a pulley, E throughwhich pulley motion is imparted to the entire machine.

Placed in the rear of the cylinder, and in front of and under the upperreciprocating rakes, is a guard-board, 13 the lower portion of whiclnb,extends under the crank-shaft G, and serves to prevent the straw fromwrapping around the journals of said shaft or becoming entangled in thecrank g, and thereby breaking or otherwise damaging the machine.

F F represent the upper reciprocating rakes, furnished upon their undersides with teeth f f. Upon the upper side of the rakes F F, and at therear ends thereof, are angular blocks f, which angular blocks may beformed with or made separate from and secured to the rake in anysuitable manner.

To the angular blocks f are attached by suitable means curved guide armsor irons F, which, when the rakes are moved to and fro, slide in slots fin a transverse bar, F provided in the upper part of the machine forthat purpose.

The rakes F F are actuated by cranks g g on a crank-shaft,Gr,j0ll11l2116(1 in the sides of the machine. One end of shaft Grcarries a pulley, g, which pulley is belted to and rotated by a similarpulley, on the lower crankshaft, G.

The opposite end of shaft G is provided with a pinion, d, which meshesin a spur wheel, (7?. The latter is loosely mounted on a stud, d on theside of the machine, and is driven by a pinion on the side of a secondspurwheel, (1*, loosely mounted on a stud, (Z and rotated by a pinion,(1 on the cylinder-shaft. The spur-wheel (1 also meshes into and rotatesa pinion, (7. on the fan-shaft.

It will thus be seen that when the cylindershaft is rotated it will,through the connecting-gear and pulleys above described, rotate thecrank-shafts G G of the rakes F and I and the fan respectively.

It will also be seen that, in consequence of the crank g and of theguide-arms F of the rakes F moving in the slotf the rake when moved toand fro will have an up-and-down motion throughout its entire length,which motion insures a better separation of the grain from the straw andallows the latter greater space while passing under the rakes.

The cranks y are set at different angles with the shaft G, by whichconstruction two or more of the rakes 1 will move at the same time inopposite directions.

Beneath the rakes F, and extending from the thrashing-concave to therear of the machine, are a series of bars, H, the forward ends of whichare attached to the thrashing-concave, while the rear ends are supportedby standards H secured to a transverse bar, H at the rear of themachine. The bars H form a bed on which the straw moves in its passagefrom the machine, and they further serve to protect the lower series ofrakes, I, and to prevent the straw from becoming entangled in the teeth1' of the same.

The rakes I have a series of teeth, L, on their under sides, and areactuated by cranks on the shaft G. At the rear ends of I are similarcranks, gf, on a shaft, G the two series of cranks serving to give therakes an upand down motion while in operation, the cranks being set inopposite'directions for the same reason as those of rakes F.

The upper sides of the bars H are slightly beveled downward from theircenters, and are provided with a series of notches or cleats, h, tocatch and hold the loose grain shaken from the straw in its passage overthem. Suitable space is allowed between the bars H and rakes 1 for thegrain to fall through to a closed bottom, 1, on which it is conveyed bythe raketeeth 2' to the riddles.

A flap, I is provided in the bottom I, by which access is gained to thespace under rakes I.

Immediately in rear of the rakes F, and pivoted to the transverse bar Fis an apron or series of aprons, J, the lower edges of which rest uponblocks J on the bars H. The function of these aprons is to prevent thegrain from being thrown too far back by the action of the cylinder.

K represents the upper separator-shoe, pivoted at its lower end to theside of the machine, which shoe is agitated by square shoulders on ashaft, 7;, and is limited and controlled in its movements by a lever, L,pivoted at l to a wind'board or deflector, L, in rear of fan M. Thislever, as well as the levers O and O, hereinafter described, has anoscillating movement onits pivot or fulcrum and operates automatically,for as one end of the shoe is more or less depressed by the weight ofthe grain upon it, it bears with more or less weight on the elevated endof the lever, and by lowering that end of it elevates the weighted end.The lever cannot be depressed below the windboard, on which it isfulcrumed, and between that point and the limit of its upward movementit rises and falls gradually as the weight on the shoe is increased ordiminished.

The separator-shoe K is provided at K with an adjustable board, k bywhich board the blast from the fan is regulated. k are the setscrews foradjusting the board 70 N is an agitator pivoted to the sides of themachine at a, and formingan extension of the separator-shoe K, theagitator N receiving the chaff and passing it to a guide-board, N, bywhich it is passed from the machine.

The agitator N is operated by square shoulders on a shaft, a, andlimited in its movements by a lever, 0 pivoted at a to a bar, 01 of theseparator-shoe K. p

N represent shields placed over the arms or frame of N, to prevent thelatter from being clogged by the chaff.

O-is the lower separator-shoe, pivoted at 0 to the sides of the machineand agitated by square shoulders on a shaft, 0 to which it is connectedby arms 0 0 The shoe is limited and controlled in its movements by alever, O, pivoted at 0 to a bar, 0 extending across the bottom of themachine.

The shoe 0 is provided with two riddles, m m, the forward one of which,m, is placed above anopening, m in the bottom of the shoe. Upon thebottom of the shoe, and extending from side to side thereof, are twotroughs, l 1?, each having a downward inclination. from the ends towardtheir centers, at which point suitable openings are made, whereby theymay be discharged.

The forward and smaller trough, P, is placed below the riddle m, and iscovered by a perforated metal plate or sieve, p, which plate or sieveallows the grain to fall through into the trough P, from which troughsuitable spouts conduct it to bags or other receptacles, while thetailings are moved by the action of the separator to the rear trough, P,in which works a right-and-left-hand screw, P having its bearings in thesides of the separator-shoe and rotated in any suitable manneras, forexample, by belt and pulleys from the shaft 0 The shafts n, it, and 0are corrugated throughout their lengths,into which fit similarcorrugations or teeth or metal plates attached to the separator-shoeKandagitatorN,respectively, the object of the corrugations being to excludechaff.

Below the separator-shoe 0, and extendin g from the rear axle to theelevator V, is a conveyer, R, the rear portion of which is wider thanthe forward portion and slopes upward from a point, r. The rear end ofthe conveyer is secured to the rear axle, while its forward portion isheld in place by a support, 0", from the bar 0 l/Vithin the conveyer Itis a reciprocating rake, T, the under side of which is formed into aseries of notches, t, and is further supplied with teeth t for carryingthe railings forward to the elevator. The forward end of the rake T isattached to a crank-shaft, 23 by which it is operated. The rake isfurther controlled in its movements by a guide arm, t attached to itsrear end and working in a slot, i in the rear end of the conveyer.

Secured upon the rear inclined end of the rake T is a separator-pan, U,the bottom of which is perforated to allow the tailings to fall throughto the conveyer, while the chaff is guided by a fence, u, from theforward part of the pan to the ground. The pan U is secured to the rakeTby a tongue, at, and staple a and at its forward end by a thumb-screw,a

V is the elevator, supplied with the usual belts o and buckets or cleatso and operated by drums 12 12 at top and bottom. Extending from thelower drum, '0 to asupport, c, is a shaft, 12 which shaft is rotated bya pulley, o, and belts to the crank-shaft G.

The crank-shaft t is rotated by pulley and belts from the shaft '0Extending from the top of the elevator to the thrashing-concave are twosmall troughs or conveyers, V into which the tailings are dischargedfrom the elevator, and which, by the action of the two smallreciprocating rakes V working therein, convey said tailings to thecylinder for rethrashing. The upper drum, o is supplied at each end withcrank-pins o which operate the rakes V thereof, are plates 10 the lowerends of which are elongated, and have hollow studs or trunnions e0secured thereto, which studs or trunnions 10 rest in a box, to, attachedto the rear under side of the machine, as shown in Fig. 4.. The uppershaft, W has its bearings in the sides of the stacker, or in plates 10secured thereto.

The stacker is raised and lowered by ropes extending to drums A on theends of ashaft, A in the upper part of the machine, and is held in anydesired position by a ratchet, A on one or both of the drums and pawls Aon the sides of the machine.

X represents a belt-tightener, Y air-ports for-fan M, and Z the wheelsof the machine.

Having described myinvention, what Iclaim as new,and desire to secure byLetters Patent, 1s

1. In a thrashing-machine, the reciprocating rakes F, having angle-blocks f and guide arms or wires F, substantially as described.

2. The combination of the reciprocating rakes F, having an gle-blocks fand guide arms or irons F, with cranks g on shaft G and slots f intransverse bar F substantially as described, and for the purposespecified.

3. In a cylinder thrashing-machine,the dividing-apron or series ofaprons J between the two sets of rakes, substantially as described.

4. In a cylinder thrashing-machine, the dividing-apron or a series ofdividing-aprons, J, pivoted to the transverse bar F in combination withthe reciprocating rakes F and I and the bars H interposed between saidrakes, substantially as and for the purpose set fort 5. In a cylinderthrashingqnachine, the bars H, placed above the lower series of rakes,I,

and having their upper sides slightly beveled downward, and providedwith a series of notches or small cleats, b, as and for the purposes setforth.

6. In a cylinder thrashing-machine, the levers L and 0 under theseparator-shoe K, and agitator N, operating automatically, as described,to regulate and control the movement of said separator-shoe,substantially as described.

7. The combination of the separator-shoe O with the automaticcontrolling-lever 0, substantially as described.

8. The reciprocating rake T, in combination with a separator-pan, U,supported on said rake, and provided at its forward end with a fence,to, and oonveyer R, substantially as and for the purpose set forth.

9. The reciprocating rake T, having notches t and teeth 15 set in andprojecting from said notches, as shown and described.

In testimony that I claim the foregoing I have hereunto set my hand.

DANIEL GEISER.

Witnesses E. ELDEN, I. N. SNIVELY.

